General Information

Electronic Stability Control

C1503 TCS/ESC (ESP) Switch error - General Information

Component Location





General Description

A Driver can suspend the ESP/ESC function by ESP/ESC OFF switch. When this switch signal is delivered into the HECU, the ESP/ESC warning lamp is turned on and the ESP/ESC control is stopped. When the next switch signal is inputted again, the ESP/ESC function is ready. This function is used for sporty driving or vehicle inspection.

DTC Description

The HECU monitors the ESP/ESC OFF switch signal and if the ESP/ESC OFF switch signal is inputted for more than 1 minute, This DTC is set.

DTC Detecting Condition





Diagnostic Circuit Diagram